9912023 has 4 divisors (see below), whose sum is σ = 10813128. Its totient is φ = 9010920.

The previous prime is 9912017. The next prime is 9912029. The reversal of 9912023 is 3202199.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (9912017) and next prime (9912029).

It is a cyclic number.

It is not a de Polignac number, because 9912023 - 2⁶ = 9911959 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9911983 and 9912001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9912029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 450536 + ... + 450557.

It is an arithmetic number, because the mean of its divisors is an integer number (2703282).

Almost surely, 2^9912023 is an apocalyptic number.

9912023 is a deficient number, since it is larger than the sum of its proper divisors (901105).

9912023 is a wasteful number, since it uses less digits than its factorization.

9912023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 901104.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 9912023 is about 3148.3365449075. The cubic root of 9912023 is about 214.8098047557.

The spelling of 9912023 in words is "nine million, nine hundred twelve thousand, twenty-three".